﻿// --------------------------------------------------------------------------------------------------------------------
// <copyright file="Link.cs" company="imbVeles" >
//
// Copyright (C) 2018 imbVeles
//
// This program is free software: you can redistribute it and/or modify
// it under the +terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see http://www.gnu.org/licenses/.
// </copyright>
// <summary>
// Project: imbSCI.Graph
// Author: Goran Grubic
// ------------------------------------------------------------------------------------------------------------------
// Project web site: http://blog.veles.rs
// GitHub: http://github.com/gorangrubic
// Mendeley profile: http://www.mendeley.com/profiles/goran-grubi2/
// ORCID ID: http://orcid.org/0000-0003-2673-9471
// Email: hardy@veles.rs
// </summary>
// ------------------------------------------------------------------------------------------------------------------
using System;
using System.Xml.Serialization;

namespace imbSCI.Graph.DGML.core
{
    public class Link : GraphElement, IGraphElement,IFreeGraphLink
    {
        public Link()
        {
        }

        //String IGraphElement.Id {
        //    get { return Source; }
        //    set { Source = value; }
        //}

        public Link(Node _source, Node _target)
        {
            Source = _source.Id;
            Target = _target.Id;
        }

        public Link(String _source, String _target, Boolean isID = true)
        {
            if (isID)
            {
                Source = _source;
                Target = _target;
            }
            else
            {
                Source = _source.GetIDFromLabel();
                Target = _target.GetIDFromLabel();
            }
        }

        [XmlAttribute]
        public String Source { get; set; } = "";

        [XmlAttribute]
        public String Target { get; set; } = "";
    }
}